Alexander Machinery, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE35433 Coalescer filter and methodMar 25, 93Jan 28, 97[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6568731 Pipe lifting apparatus and methodExpiredMar 22, 01May 27, 03[B66C]
6062507 Vertical winder and methodExpiredJan 29, 99May 16, 00[B65H]
6027067 Spread winder and methodExpiredJul 30, 98Feb 22, 00[B65H]
5893530 Cushioning apparatus for web roll let-off and methodExpiredApr 23, 97Apr 13, 99[B65H]
5890672 Surface winder apparatus and methodExpiredJan 13, 97Apr 06, 99[B65H]
5791583 Cloth takeup control apparatus and methodExpiredFeb 06, 95Aug 11, 98[B65H]
5603466 Accumulator apparatus and method for use with a web producing machineExpiredJun 08, 95Feb 18, 97[B65H]
5566723 Apparatus and method for guiding a textile web over a convex guiding surfaceExpiredJun 07, 95Oct 22, 96[D03D]
5546993 Web tension apparatus with sensor switch arrangement for oscilliating dancer roll and methodExpiredAug 19, 94Aug 20, 96[D03D]
5524677 Doffing a cloth roll using a DC motor under full powerExpiredAug 19, 94Jun 11, 96[D03D]
5505406 Apparatus and method for positioning a web rollExpiredApr 04, 94Apr 09, 96[B65M]
5494237 Oscillatable web guide roll and method of windingExpiredApr 04, 94Feb 27, 96[B65M]
5478027 Web unwinding apparatus and methodExpiredJan 18, 95Dec 26, 95[B65H]
5456292 Light box inspection apparatus and methodExpiredSep 12, 94Oct 10, 95[D03D]
5443226 Center wind takeup drive and methodExpiredSep 27, 93Aug 22, 95[B65H]
5435501 Center wind takeup drive and methodExpiredSep 07, 93Jul 25, 95[B65H]
5431192 Light box for use in web inspection apparatus and methodExpiredApr 04, 94Jul 11, 95[D03D]
5431358 Web roll support apparatus and methodExpiredJul 26, 93Jul 11, 95[B65H]
5326041 Web roll control and methodExpiredNov 02, 92Jul 05, 94[B65H]
5314128 Cloth measuring apparatus and methodExpiredJun 08, 90May 24, 94[B65H]

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